Answers

2014-05-30T12:53:22+05:30
Garison has 12 days provision for 480 men 
but, no of men reduced by 160 
therefore, no. of men = 480-160=320
let no.of days be x 
so, using inverese variation
480÷320=x÷12
⇒x=480×12
         320
⇒x= 18 days
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